10 de febrero: la teoría celular

The video explores the evolution of cell theory, starting with the historical belief in spontaneous generation and the contributions of scientists like Pasteur and Virchow. It outlines the core principles of cell theory, including the cell as the basic unit of life, and the modern expansions that incorporate DNA and energy processes. The video also speculates on the potential for life on other planets to share cellular characteristics with Earth life.

Who demonstrated that organisms do not spontaneously generate?

• Rudolf Virchow

• Charles Darwin

• Louis Pasteur

• Gregor Mendel

Which scientist concluded that all cells come from pre-existing cells?

• Charles Darwin

• Gregor Mendel

• Louis Pasteur

• Rudolf Virchow

What is NOT one of the main principles of the original cell theory?

• Cells are the basic unit of life

• Every cell comes from a previous cell

• All organisms are composed of one or more cells

• Cells can spontaneously generate

Which process is NOT mentioned as occurring within cells in the modern cell theory?

• Energy exchange

• Photosynthesis

• Respiration

• Digestion

What does modern cell theory suggest about the chemical composition of cells?

• Cells have no chemical composition

• Cells have a variable chemical composition

• All cells have a similar chemical composition

• All cells have a unique chemical composition